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Finding the Fourth Proportional to 115,888.70, 173,833.05 and 74,416.70

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Solution

The fourth proportional to 115,888.70, 173,833.05 and 74,416.70 is: 111,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,888.70 : 173,833.05 = 74,416.70 : x
  2. Step 2: Convert to fraction form
    115,888.70/173,833.05 = 74,416.70/x
  3. Step 3: Cross multiply
    115,888.70x = 173,833.05 × 74,416.70
  4. Step 4: Simplify right side
    115,888.70x = 12,936,081,931.94
  5. Step 5: Solve for x
    x = 12,936,081,931.94/115,888.70
  6. Step 6: Final answer
    x = 111,625.05

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